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1.6、查询临时表空间使用情况： SELECT D.TABLESPACE_NAME,SPACE "SUM_SPACE(M)",BLOCKS SUM_BLOCKS, USED_SPACE "USED_SPACE(M)",ROUND(NVL(USED_SPACE,0)/SPACE*100,2) "USED_RATE(%)", NVL(FREE_SPACE,0) "FREE_SPACE(M)" FROM (SELECT TABLESPACE_NAME,ROUND(SUM(BYTES)/(1024*1024),2) ...